Home / 3,554.88-5,328.48-1,704.80

Finding the Fourth Proportional to 3,554.88, 5,328.48 and 1,704.80

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Solution

The fourth proportional to 3,554.88, 5,328.48 and 1,704.80 is: 2,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.88 : 5,328.48 = 1,704.80 : x
  2. Step 2: Convert to fraction form
    3,554.88/5,328.48 = 1,704.80/x
  3. Step 3: Cross multiply
    3,554.88x = 5,328.48 × 1,704.80
  4. Step 4: Simplify right side
    3,554.88x = 9,083,992.70
  5. Step 5: Solve for x
    x = 9,083,992.70/3,554.88
  6. Step 6: Final answer
    x = 2,555.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.